Tired of lifting heavy buckets to refill sumps or tanks due to evaporation?
There is finally a professional grade product that automates refilling evaporated water. The All-New A.T.O. (Automatic Top Off) device is the most advan...

Purchase a JBJ Automatic Top Off System and receive an Accella Submersible Powerhead/Pump FREE!
JBJ Automatic Top Off System
Tired of lifting heavy buckets to refill sumps or tanks due to evaporation?
There is finally a ...

The Tunze Nano Osmolator 3152 is an economical aquarium top off with more features than are typically found on competing units.
The Tunze Nano Osmolator is great for nano aquariums and tanks up to 55 gallons. Featuring a ...

Hydor Smart Level Control - water level management system
Smart Level is the new versatile fully electronic water level controller designed by Hydor. Smart Level safely and easily handles the aquarium and sump water level due...

This Float Valve can be either hung on the side of a sump or attach through a drilled hole in the side of your sump. The hand crafted acrylic hang-on frame allows for easy adjustment of the water level. The small compact float val...

The Container 2.0 can hold up to 2 supplements for any dosing purposes. Great for 2-part Calcium and Alkalinity Supplements! There are a total of 2 chambers (3L each). A solid blue body prevents algae growth. Viewing ports allows ...

Easy-to-use auto top off system that is ready to go out of the box!
Includes one float sensor with magnetic mounting bracket and top-off pump.
The float sensor is enclosed in a protective acrylic enclosure to prevent snails or...

The new Digital Aquatics float switch kits make configuration quick and easy! There are countless ways to use these new float switches with either your RKE or RKL system. Program an Auto Top Off (ATO) system, automate water trans...

The new Digital Aquatics float switch kits make configuration quick and easy! There are countless ways to use these new float switches with either your RKE or RKL system. Program an Auto Top Off (ATO) system, automate water trans...

Pair your auto top off with the industry`s first low voltage air lift pump specifically designed for ATO (auto-top-off) controllers. *controller required and sold separately. The HydroFill ATO Pump System eliminates the guess...

There is no need to worry about water evaporation anymore now that the Eshopps’ new ATO Small Reservoir Tank is here. The ATO Small is a reservoir tank that can hold up to 2.5 gallon of water with a shut-off valve attached on the ...

This float switch will operate for high water or low water applications. This can be achieved by simply removing the retaining ring and turning the barrel float upside down. This switch can handle multiple pumps with a combined am...

SpectraPure® Power Liquid Level Controller
For automatic replenishment of evaporated liquid on systems which require AC electrical control
Controls up to 3 Amp continuous duty pumps and other 115 Volt power heads
Extre...

The DP1 is a single pump dosing pump, that has adjustable flow from 15ml to 60ml a minute designed to be used with your Reefkeeper system. The DP1 can be used for dosing or as an auto top-off.
Package Includes:
DPI Master Do...

The Deepwater Aquatics Dosing Containers are made to stand the test of time in the aquatic environment. Each Dosing Container is made from high quality cast acrylic. Each container comes with all the parts needed and is fully asse...

Due to their growth, corals and algae consume the calcium dissolved in the water. The deficit caused can be compensated by the use of a calcium dispenser filled with calcium hydroxide and water. Conventional plants consist of lar...

Dose`n Drop is a manual dosing kit offering an alternate way to the classical vial dosing. It allows users to add products in the aquarium several times through out the week instead of just once every 15 days to maintain more-cons...

The Osmolator®, included low-voltage centrifugal pump can be replaced by this Tunze Switched Socket Outlet in combination with a more powerful pump. The switched socket outlet can be used to switch metering pumps with a maximum o...

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